Question

What is ultrasonic??​

Answer 1

Answer:

The velocity of an object is given by the equation v(t)=√4+t, where the velocity v is measured in ms, the time t is measured in seconds. Find the distance traveled by the object for the first 5sec.

Answer 2

Âηswεr

$\dashrightarrow$Ultrasonics are vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz. The term sonic is applied to ultrasound waves of very high amplitudes.